Mbps is bandwidth. Most often IOPS are more interesting. I've seen RAID w/ 12 
spindels degrade to kbps. /B

Adam Goryachev <mailinglists AT websitemanagers.com DOT au> schrieb:

>On 16/11/14 21:19, yashiahru wrote:
>> iostat -M
>> 7.6 MBps (~60mbps)
>>
>> so it's normal because of the hdd speed limitation ...
>>
>> Except the upgrading the HDD, is there any way to shorten the backup time?
>>
>
>Some options:
>1) Backup less data
>2) Change your backup method
>3) defrag your drive
>4) Optimise your data so you don't have huge number of files in a single 
>directory
>
>The first one is sure to solve the issue of course :)
>
>The second one can make more efficient use of your existing available 
>resources (maybe), generally this means using rsync. Of course, any 
>method will still ultimately have some bottleneck somewhere.
>
>PS, I don't think I've used a drive that is limited to ~60MB/s, even a 
>single drive should be capable of 100MB/s or more, though of course if 
>there is any other IO on the same drive at the same time, then you will 
>massively reduce the available throughput (due to seek times).
>
>Regards,
>Adam
>-- 
>Adam Goryachev Website Managers www.websitemanagers.com.au
>
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